xref: /netbsd-src/lib/libcurses/curses.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: curses.c,v 1.9 1997/07/22 07:36:34 mikel Exp $	*/
2 
3 /*
4  * Copyright (c) 1981, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)curses.c	8.3 (Berkeley) 5/4/94";
40 #else
41 __RCSID("$NetBSD: curses.c,v 1.9 1997/07/22 07:36:34 mikel Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include "curses.h"
46 
47 /* Private. */
48 int	__echoit = 1;			/* If stty indicates ECHO. */
49 int	__pfast;
50 int	__rawmode = 0;			/* If stty indicates RAW mode. */
51 int	__noqch = 0;			/*
52 					 * If terminal doesn't have
53 					 * insert/delete line capabilities
54 					 * for quick change on refresh.
55 					 */
56 char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS, PC,
57 	UL, XB, XN, XT, XS, XX;
58 char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
59 	*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
60 	*K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
61 	*KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
62 	*SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
63 	*VE, *al, *dl, *sf, *sr,
64 	*AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM, *LEFT_PARM,
65 	*RIGHT_PARM;
66 /*
67  * Public.
68  *
69  * XXX
70  * UPPERCASE isn't used by libcurses, and is left for backward
71  * compatibility only.
72  */
73 WINDOW	*curscr;			/* Current screen. */
74 WINDOW	*stdscr;			/* Standard screen. */
75 int	 COLS;				/* Columns on the screen. */
76 int	 LINES;				/* Lines on the screen. */
77 int	 My_term = 0;			/* Use Def_term regardless. */
78 char	*Def_term = "unknown";		/* Default terminal type. */
79 char	 GT;				/* Gtty indicates tabs. */
80 char	 NONL;				/* Term can't hack LF doing a CR. */
81 char	 UPPERCASE;			/* Terminal is uppercase only. */
82